3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(readdir(false));
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Warning: readdir() expects parameter 1 to be resource, boolean given in /in/A6OXj on line 1 NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.2.17
Warning: readdir(): supplied argument is not a valid Directory resource in /in/A6OXj on line 1 bool(false)